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Date: Thu, 27 Nov 2014 08:09:29 -0800
From: Dennis Glatting <dg@...2.com>
To: john-users@...ts.openwall.com
Cc: Patrick Proniewski <patpro@...pro.net>
Subject: Re: OpenMP on FreeBSD ?
On Thu, 2014-11-27 at 08:10 +0100, Patrick Proniewski wrote:
> Hello,
>
> I'm trying to install john-1.7.9.jumbo.7 on FreeBSD 9.3-RELEASE amd64. I'm using FreeBSD's port system:
>
> # cd /usr/ports/security/john/
> # make OMPFLAGS=-msse2
> # make install
>
> Using make alone won't work, I had to add OMPFLAGS=-msse2 for the compilation to work <https://forums.freebsd.org/threads/cant-compile-security-john-with-openmp.49151/>.
>
> Everything seems to run smoothly, but john does not display any parallelism when I use it with real data or in test mode:
>
> # OMP_NUM_THREADS=4 john --format=des --test
> Benchmarking: Traditional DES [128/128 BS SSE2-16]... DONE
> Many salts: 4807K c/s real, 4807K c/s virtual
> Only one salt: 4590K c/s real, 4590K c/s virtual
>
> # OMP_NUM_THREADS=1 john --format=des --test
> Benchmarking: Traditional DES [128/128 BS SSE2-16]... DONE
> Many salts: 4780K c/s real, 4780K c/s virtual
> Only one salt: 4593K c/s real, 4593K c/s virtual
>
> Same commands on Mac OS X using a pre-compiled john-1.7.9.jumbo.7 package will work as expected (x4 perf with OMP_NUM_THREADS=4).
>
> Any idea why the FreeBSD port fails using OpenMP code?
>
Compile with GCC5. Clang does not support OpenMP.
> Regards,
> patpro
--
Dennis Glatting <dg@...2.com>
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